SPARK TH172 Unboxed Carburetor Choke Thermostat Gm Quadrajet 76-79 4-BBL

( Brand: Spark ), ( Part Type: Carburetor Thermostat ), ( Manufacturer Part Number: TH172 )

Review SPARK New Unboxed Carburetor Choke Thermostat 76-79 Gm Rochester Quadrajet

The Spark TH172 Unboxed Carburetor Choke Thermostat is designed specifically for GM Rochester 4-bbl Quadrajet carburetors used in select 1976-1979 vehicles. This essential automotive component enhances the overall performance and efficiency of your engine by effectively managing the temperature of your choke system.

Upon opening the box, you will find a meticulously crafted thermostat assembly. The thermostat housing is engineered from high-quality materials, ensuring durability and resistance to wear and tear. The thermostat itself is designed with a bimetallic disc, which responds to temperature changes by opening and closing the choke circuit as needed. This ensures that your engine receives the optimal amount of fuel and air mixture during cold starts, leading to smoother and more efficient engine performance.

The spark plug terminal on this thermostat is designed to accommodate a standard 1.25" spark plug wire, and the thermostat is equipped with a 1/8" NPT threaded inlet and outlet for easy installation and connection to your cooling system. The thermostat also includes a built-in vacuum port, which allows for the integration of a vacuum switch for added temperature control features.

This Spark TH172 Unboxed Carburetor Choke Thermostat is an excellent upgrade for any GM Rochester 4-bbl Quadrajet carburetor, providing improved temperature control and ensuring reliable engine starting in various weather conditions. The thermostat is also backed by a manufacturer's warranty, giving you peace of mind and confidence in your purchase.

In summary, the Spark TH172 Unboxed Carburetor Choke Thermostat is a precision-engineered component designed for select 1976-1979 GM vehicles. It effectively manages the temperature of your choke system, ensuring optimal engine performance and efficient cold starts. The high-quality materials used in its construction, along with its ease of installation and built-in vacuum port, make this thermostat a valuable addition to your vehicle's engine system.

Buying an unboxed Spark TH172 carburetor choke thermostat for a 1976-1979 GM Rochester 4-bbl Quadrajet comes with both advantages and disadvantages. Let's examine each:

1. Cost Savings: Buying an unboxed carburetor choke thermostat can save you a significant amount of money compared to purchasing a new one from a dealership or auto parts store.

2. Availability: Unboxed parts are often easier to find, especially for older models, as they may not be readily available brand new.

3. Customization: If you are experienced in working with carburetors, you may choose to purchase an unboxed thermostat to customize it according to your specific needs.

1. Risk of Damage: Unboxed parts come without any packaging or protection, increasing the risk of damage during shipping or handling.

2. Quality Uncertainty: Since you cannot see the condition of the part before purchasing, there is a risk that it may have hidden damages or defects.

3. Installation Complexity: Installing an unboxed carburetor choke thermostat may require more time and expertise compared to installing a new one.

Purchasing an unboxed Spark TH172 carburetor choke thermostat for a 1976-1979 GM Rochester 4-bbl Quadrajet can offer cost savings and availability, but it also comes with the risk of damage, quality uncertainty, and potential installation complexity. If you are confident in your abilities to assess the condition of the part and install it properly, it could be a worthwhile investment. Otherwise, it might be a safer bet to purchase a new one from a trusted supplier.

1. Purchase a new carburetor choke thermostat from a trusted auto parts supplier.

2. If you are confident in your abilities and want to save money, purchase an unboxed thermostat from a reputable seller with positive customer reviews and a good return policy.

3. If you are experienced with carburetors and want to customize the thermostat, purchase an unboxed one from a reliable source and inspect it thoroughly before installation.

part # th172 prices

• $6.35-$39.99

specifications carbcaddie:

• for makes: Rochester
• brand: Spark
• part type: Carburetor Thermostat
• manufacturer part number: TH172

returns carbcaddie:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments carbcaddie:

• wallet: Apple-pay
• credit card: Visa
• other

seller carbcaddie:

• # reviews: 259330
• rating: 99.6%

offer carbcaddie:

• quantity: 2
• started: December 15, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home

shipping carbcaddie:

• type: Fixed
• class: Standard
• transit: 3-8 Days
• cost: $0.00
• carrier: USPS
• service: USPS Ground Advantage

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New other see details

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